Transaction in Own Shares

BP PLC
07 December 2005


BP p.l.c. - Transaction in Own Shares
BP p.l.c. - 7 December 2005

BP p.l.c. announces that on 6 December 2005, it purchased 6,373,600 ordinary
shares at prices between 653.50 pence and 661.50 pence per share and between
1134.00 cents and 1154.00 cents per share. The purchased shares will all be held
as Treasury shares.

Following the above transactions, BP p.l.c. holds 930,373,932 ordinary shares in
Treasury, and has 20,708,004,871 ordinary shares in issue (excluding Treasury
shares).

Enquiries: Fergus MacLeod, BP p.l.c. Tel : [phone]



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